package com.dd.admin.business.webSocket.handler;import com.dd.admin.business.webSocket.MsgHandlerInterface;import org.springframework.stereotype.Component;import org.tio.core.ChannelContext;import java.util.Map;@Componentpublic class WeiXinOfflineMessageHandler implements MsgHandlerInterface {    @Override    public Object handler(Map map, ChannelContext context ){        return null;    }}